Fitbit Alta vs. Garmin Vivosmart HR vs. Asus VivoWatch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
Vivosmart HR
VivoWatch
Grayson
Grayson
T-Rex
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$170$160$350$350$140
Release201620152018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours to 10 days24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68128 x 128453 x 454453x454360 x 360
Sizen/a1.08 inchesNA1.39 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDn/aNAAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMIP671 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aKoodOSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables